package javaCode.chapter07.object_;

public class EqualsExercise03 {
    public static void main(String[] args) {
        int it =65;
        float fl = 65.0f;
        System.out.println("65和65.0f是否相等？" + (it == fl)); //t

        char ch1 = 'A'; char ch2 = 12;
        System.out.println("65和'A'是否相等？" + (it == ch1)); //t 因为char类型 其实就是整形
        System.out.println("12和ch2是否相等？" + (12 == ch2)); //t

        String str1 = new String("hello");
        String str2 = new String("hello");
        System.out.println("str1和str2是否相等？" + (str1 == str2)); //f
        System.out.println("str1是否 equals str2？" + (str1.equals(str2))); //t
        //System.out.println("hello" == new java.sql.Date(); //编译报错
    }
}

